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while installing ubuntu mistakenly deleted windows efi partition, and other system reserved drive.

Currently i am with ubuntu n how many times i try to install dual boot with windows it was not working. it was not loading windows 10 it was completly blank and boot to ubuntu.

Dev G
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2 Answers2

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Windows 8.1, 10, and 11 can live without the recovery partition but not the UEFI partition (which part of the startup sequence) which is needed for Windows to function. I am pretty sure you will have to start again with Windows (I do not know of any way to backfill the UEFI partition to make Windows start).

So you need to reinstall Windows and then see about adding Ubuntu afterwards. I use a Virtual Machine for Ubuntu.

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thanks for your response. after two days googling finally found a solution.

I have downloadded Hiren's BootCD, Bootable into Pendrive, it will load the UI, after that i have downloaded and windows 10 iso from microsoft and i have installed it by choosing desired drive, which i have allocated for windows 10.

Thanks for your support.

Dev G
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